/*
 *  Copyright 2004 Blandware (http://www.blandware.com)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.blandware.atleap.webapp.action.core.group;

import com.blandware.atleap.common.Constants;
import com.blandware.atleap.model.core.Group;
import com.blandware.atleap.service.core.GroupManager;
import com.blandware.atleap.service.exception.BeanAlreadyExistsException;
import com.blandware.atleap.webapp.action.core.BaseAction;
import com.blandware.atleap.webapp.form.core.GroupForm;
import com.blandware.atleap.webapp.util.core.WebappUtil;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * <p>Creates new group
 * </p>
 * <p><a href="CreateGroupAction.java.html"><i>View Source</i></a></p>
 * <p/>
 *
 * @author Roman Puchkovskiy <a href="mailto:roman.puchkovskiy@blandware.com">
 *         &lt;roman.puchkovskiy@blandware.com&gt;</a>
 * @version $Revision: 1.4 $ $Date: 2008/04/29 17:48:07 $
 * @struts.action path="/core/group/create"
 * name="groupForm"
 * scope="request"
 * input="inputForward"
 * validate="true"
 * roles="core-group-create"
 * @struts.action-forward name="inputForward"
 * path=".core.group.create"
 * @struts.action-forward name="listGroups"
 * path="/core/group/list.do"
 * redirect="true"
 * @struts.action-forward name="unsatisfiable"
 * path="/core/group/list.do"
 */
public final class CreateGroupAction extends BaseAction {
	/**
	 * @param mapping  The ActionMapping used to select this instance
	 * @param form     The optional ActionForm bean for this request (if any)
	 * @param request  The HTTP request we are proceeding
	 * @param response The HTTP response we are creating
	 * @return an ActionForward instance describing where and how
	 *         control should be forwarded, or null if response
	 *         has already been completed
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
	                             HttpServletRequest request, HttpServletResponse response) throws Exception {

		if ( !isCancelled(request) ) {

			GroupForm groupForm = (GroupForm) form;
			Group group = new Group();
			WebappUtil.copyProperties(group, groupForm, request);
            group.setFixed(Boolean.FALSE);
			GroupManager groupManager = (GroupManager) getBean(Constants.GROUP_MANAGER_BEAN);
			try {
				groupManager.createGroup(group);
			} catch ( BeanAlreadyExistsException e ) {
				// group already exists
				ActionMessages errors = new ActionMessages();
				errors.add("groupAlreadyExists", new ActionMessage("core.group.errors.alreadyExists"));
				saveErrors(request, errors);
				saveToken(request);
				return mapping.getInputForward();
			}
		}
		return mapping.findForward("listGroups");
	}
}